Construction of a terminal in Washington state required navigating environmental contamination, unexpected site conditions and adherence to tribal agreements

Greg Johnson, a former WSP senior vice president, is named program administrator.

Crews are trucking in concrete rubble from the Alaskan Way Viaduct demolition to fill in the city's 3,140-ft-long Battery Street Tunnel.

The first phase of the next series of 520 projects in the Rest of the West package begins this spring, covering the area west of Lake Washington and the floating bridge. 

Seattle residents get one last chance to check out the Alaskan Way Viaduct this weekend, which will be fully removed in the coming months.

Washington State Ferries split the Mukilteo ferry terminal project near Everett into two contracts after rejecting previous bids in August. 

Intense planning is underway regarding how to safely demolish the 1.4-mile concrete double-decker Alaskan Way Viaduct, beginning in February.